Excavator



FIG. 1 is a front, right-side, and top view of an excavator, showing the new design.

FIG. 2 is a top plan view of the excavator.

FIG. 3 is a front elevation view of the excavator.

FIG. 4 is a right-side elevation view of the excavator.

FIG. 5 is a left-side elevation view of the excavator.

FIG. 6 is an underside plan view of the excavator; and,

FIG. 7 is a rear elevation view of the excavator.

The broken line showing of portions of the excavator is included for the purpose of illustrating environmental structure only and forms no part of the claimed design. 

CLAIM The ornamental design for an excavator, as shown. 